@import 'public.css';
.clearfix {
    display: block;
    content: '';
    clear: both;
}

nav {
    width: 100%;
    height: 80px;
    background: #fff;
    box-shadow: 0 2px 3px #dad6d6;
    vertical-align: top;
}

nav .main {
    width: 1180px;
    margin: 0 auto;
}

nav .main ul li:hover {
    background: #80C4AE;
    color: #fff;
}

nav .main ul li:hover a {
    color: #fff;
    font-size: 16px;
}

nav .logo {
    width: 179px;
    height: 53px;
    margin: 13px 0 14px 0;
}

nav ul {
    display: inline-block;
    margin-left: 120px;
    border: none;
    font-size: 0;
}

nav ul li {
    display: inline-block;
    width: 80px;
    height: 80px;
    line-height: 80px;
    margin-right: 17px;
    text-align: center;
}

nav ul li a {
    color: #333;
    font-size: 16px;
}

nav ul li:last-child {
    margin-right: 0;
}

nav ul .check {
    background: #80C4AE;
    color: #fff;
}

nav ul .check a {
    color: #fff;
    font-size: 16px;
}

nav div.search {
    display: inline-block;
    margin-left: 120px;
    border: 1px solid #80C4AE;
    border-radius: 3px;
    width: 280px;
    height: 36px;
    text-align: center;
    font-size: 0;
    padding: 0;
    overflow: hidden;
    vertical-align: middle;
    position: relative;
}

nav div.search .left {
    width: 69px;
    height: 36px;
    border-right: 1px solid #80C4AE;
    font-size: 14px;
    text-align: center;
    line-height: 36px;
    float: left;
    color: #80C4AE;
    padding: 0;
}

nav div.search .left i {
    margin-left: 6px;
    font-size: 5px;
}

nav div.search input {
    border: none;
    outline: none;
    display: inline-block;
    height: 36px;
    text-align: center;
    font-weight: 400;
    font-size: 14px;
}

nav div.search img {
    width: 20px;
    height: 20px;
    position: absolute;
    right: 7px;
    top: 8px;
}

nav .login {
    margin-left: 24px;
    display: inline-block;
    color: #80C4AE;
    font-size: 14px;
}

nav .user {
    display: inline-block;
    margin-left: 24px;
    display: none;
}

nav .user img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

nav .main .user {
    position: relative;
}

nav .main .user .userlist {
    width: 122px;
    height: 269px;
    background: url('../img/login/jx.png') no-repeat;
    background-size: cover;
    position: absolute;
    top: 35px;
    right: -15px;
    display: none;
    z-index: 99999;
}

nav .main .user .userlist ul {
    width: 122px;
    height: 100%;
    padding-top: 30px;
    margin-left: 0;
}

nav .main .user .userlist ul li {
    font-size: 16px;
    color: #333;
    line-height: 30px;
    height: 40px;
    text-align: center;
    width: 100%;
    cursor: pointer;
}

nav .main .user .userlist ul li:hover {
    background: none;
}

nav .main .user .userlist ul li:last-child {
    color: #666;
}

nav .main .user:hover .userlist {
    display: block;
}

footer {
    width: 100%;
    height: 264px;
    background: #333;
    margin-top: 36px;
    padding-top: 87px;
}

footer .cont {
    width: 1180px;
    height: 100%;
    margin: 0 auto;
}

footer .cont .main {
    width: 1153px;
    height: 90px;
    color: #ccc;
    font-size: 14px;
    line-height: 18px;
    text-align: center;
    margin: 0 auto;
}

footer .cont .main p {
    margin-top: 5px;
}

.pos {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background: rgba(0, 0, 0, 0.2);
    display: none;
    z-index: 99999999;
}

.pos .login {
    width: 520px;
    height: 522px;
    background: #FFFFFF;
    border-radius: 4px;
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    margin: auto;
    text-align: center;
    padding-top: 30px;
}

.pos .login span.close {
    position: absolute;
    right: 25px;
    top: 25px;
    color: #999;
    z-index: 9999;
    font-size: 20px;
}

.pos .login img {
    width: 136px;
    height: 40px;
    margin-bottom: 46px;
}

.pos .login ul {
    padding-left: 20px;
}

.pos .login ul::after {
    display: block;
    content: '';
    clear: both;
}

.pos .login ul li {
    width: 134px;
    height: 1px;
    float: left;
    border-top: 1px solid #ececec;
    margin-top: 12px;
}

.pos .login ul li.phone {
    float: left;
    width: 162px;
    height: 25px;
    font-size: 18px;
    font-weight: 400;
    color: #333333;
    line-height: 25px;
    border: none;
    margin: 0 18px;
    margin-bottom: 21px;
}

.pos .login input {
    display: block;
    margin-left: 110px;
    width: 300px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid #80C4AE;
    padding-left: 24px;
    margin-bottom: 20px;
}

.pos .login .loginbtn {
    width: 300px;
    height: 40px;
    border-radius: 4px;
    border: 1px solid #80C4AE;
    background: #74C6B3;
    color: #fff;
    text-align: center;
    font-size: 16px;
    outline: none;
    margin-bottom: 10px;
}

.pos .login p {
    width: 300px;
    margin: 0 auto;
    margin-bottom: 36px;
}

.pos .login p::after {
    display: block;
    content: '';
    clear: both;
}

.pos .login p span {
    display: inline-block;
    color: #333;
    font-size: 12px;
}

.pos .login p span:first-child {
    float: left;
}

.pos .login p span:last-child {
    float: right;
}

.pos .login p span a {
    font-size: 12px;
    color: #74C6B3;
}

.pos .login p.getCenter {
    display: block;
}

.pos .login p.getCenter img {
    width: 36px;
    height: 36px;
    border-radius: 50%;
}

.pos .login p.getCenter img:nth-child(2) {
    margin-left: 30px;
    margin-right: 30px;
}

main {
    width: 1180px;
    margin: 0 auto;
    margin-top: 22px;
}

main .row {
    min-height: 60px;
    line-height: 40px;
    color: #333;
    font-size: 16px;
    vertical-align: middle;
    width: 1180px;
    height: auto;
}

main .row .left {
    float: left;
    font-weight: Semibold;
    margin-right: 10px;
    color: #222;
    width: 80px;
}

main .row .right {
    float: left;
    width: 1090px;
}

main .row .right span {
    width: 180px;
    height: 40px;
    border: 1px solid #80C4AE;
    border-radius: 4px;
    display: inline-block;
    padding-left: 18px;
    color: #666;
    position: relative;
    font-size: 14px;
    margin-left: 22px;
    cursor: pointer;
}

main .row .right span i {
    color: #80C4AE;
    position: absolute;
    right: 13px;
}

main .row .right ul {
    margin-left: 35px;
}

main .row .right ul li {
    display: inline-block;
    margin-right: 50px;
    color: #666;
    width: 52px;
    text-align: center;
    font-size: 14px;
    box-sizing: border-box;
    cursor: pointer;
}

main .row .right ul li a.active {
    background: #80C4AE;
    color: #fff;
    border-radius: 4px;
    padding: 3px 5px;
}

main .row::after {
    display: block;
    content: '';
    clear: both;
}

main .lesson {
    width: 1180px;
    margin: 20px auto 0;
}

main .lesson ul li {
    width: 380px;
    height: 256px;
    box-shadow: 0 2px 5px #dad6d6;
    background: #fff;
    position: relative;
    overflow: hidden;
    margin: 0 20px 20px 0;
    float: left;
    cursor: pointer;
}

main .lesson ul li:nth-child(3n) {
    margin-right: 0;
}

main .lesson ul li .top {
    width: 380px;
    height: 196px;
    vertical-align: top;
    overflow: hidden;
}

main .lesson ul li .top img.m {
    width: 380px;
    height: 196px;
}

main .lesson ul li .top>p {
    position: absolute;
    bottom: 60px;
    left: 0;
    width: 100%;
    height: 33px;
    line-height: 33px;
    font-size: 14px;
    background: #000000;
    color: #fff;
    padding-left: 10px;
    opacity: 0.3;
}

main .lesson ul li .bottom {
    width: 100%;
    height: 62px;
    overflow: hidden;
    line-height: 20px;
    font-size: 14px;
    color: #333;
    margin-top: 7px;
    padding-left: 14px;
}

main .lesson ul li .bottom .left {
    float: left;
}

main .lesson ul li .bottom .left span {
    display: block;
}

main .lesson ul li .bottom .left span.time {
    margin-top: 5px;
    font-size: 14px;
    line-height: 17px;
    color: #7A7A7A;
}

main .lesson ul li .bottom .right {
    float: right;
    margin-top: 12px;
    margin-right: 14px;
    width: 86px;
    height: 30px;
    line-height: 30px;
    font-size: 16px;
    color: #fff;
    background: #74C6B3;
    text-align: center;
    border-radius: 4px;
}

main .lesson ul::after {
    display: block;
    content: '';
    clear: both;
    zoom: 1;
}

main .pageNum {
    width: 1180px;
    height: 40px;
    margin: 0 auto;
    margin-top: 20px;
    text-align: center;
}

main .pageNum ul {
    text-align: center;
    line-height: 25px;
    font-size: 18px;
    display: inline-block;
}

main .pageNum ul li {
    display: inline-block;
    width: 37px;
    height: 40px;
    padding: 9px 14px 6px;
    color: #333;
    background: #ededed;
    border-radius: 4px;
    font-family: PingFangSC-Semibold, PingFang SC;
    margin-right: 12px;
    cursor: pointer;
}

main .pageNum ul li.active {
    background: #80C4AE;
    color: #fff;
}

main .pageNum button {
    width: 91px;
    height: 40px;
    outline: none;
    border: none;
    background: #ededed;
    font-size: 18px;
    color: #a4a4a4;
    padding: 9px 19px 6px 18px;
    border-radius: 4px;
    margin: 0 28px;
    font-family: PingFangSC-Semibold, PingFang SC;
}

main .pageNum button.active {
    color: #333;
}

main .pageNum button:last-child {
    margin-left: 8px;
}